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  <a name="ZH-CN_TOPIC_0000001839159729"></a><a name="ZH-CN_TOPIC_0000001839159729"></a>
  <h1 class="topictitle1">关于SLA</h1>
  <div>
   <p id="ZH-CN_TOPIC_0000001839159729__zh-cn_topic_0000001839267641_zh-cn_topic_0000001387428257_zh-cn_topic_0000001188593208_zh-cn_topic_0000001170622238_p450712339156">SLA（Service Level Agreement）是一组可配置的数据保护策略，策略中定义了数据保护和副本保留的规则。将这些策略关联至受保护环境，以实现对特定受保护环境的保护。为满足企业对各类受保护环境不同的数据保护诉求，<span id="ZH-CN_TOPIC_0000001839159729__zh-cn_topic_0000001839267641_text193787548411">本产品</span>支持由用户自定义SLA。</p>
   <div class="section" id="ZH-CN_TOPIC_0000001839159729__zh-cn_topic_0000001839267641_zh-cn_topic_0000001387428257_zh-cn_topic_0000001188593208_zh-cn_topic_0000001170622238_section1969174516230">
    <h4 class="sectiontitle">自定义SLA</h4>
    <p id="ZH-CN_TOPIC_0000001839159729__zh-cn_topic_0000001839267641_zh-cn_topic_0000001387428257_zh-cn_topic_0000001188593208_zh-cn_topic_0000001170622238_p118482029286">用户可针对备份任务、复制任务自定义SLA。SLA中可定义任务的执行频率、时间窗口、副本保留时长等基本参数以及其他适配各类受保护资源的高级参数。</p>
    <p id="ZH-CN_TOPIC_0000001839159729__zh-cn_topic_0000001839267641_zh-cn_topic_0000001387428257_zh-cn_topic_0000001188593208_zh-cn_topic_0000001170622238_p1186264517237">各类任务的SLA说明如<a href="#ZH-CN_TOPIC_0000001839159729__zh-cn_topic_0000001839267641_zh-cn_topic_0000001387428257_zh-cn_topic_0000001188593208_zh-cn_topic_0000001170622238_table171521524193513">表1</a>。</p>
    <div class="tablenoborder">
     <a name="ZH-CN_TOPIC_0000001839159729__zh-cn_topic_0000001839267641_zh-cn_topic_0000001387428257_zh-cn_topic_0000001188593208_zh-cn_topic_0000001170622238_table171521524193513"></a><a name="zh-cn_topic_0000001839267641_zh-cn_topic_0000001387428257_zh-cn_topic_0000001188593208_zh-cn_topic_0000001170622238_table171521524193513"></a>
     <table cellpadding="4" cellspacing="0" summary="" id="ZH-CN_TOPIC_0000001839159729__zh-cn_topic_0000001839267641_zh-cn_topic_0000001387428257_zh-cn_topic_0000001188593208_zh-cn_topic_0000001170622238_table171521524193513" frame="border" border="1" rules="all">
      <caption>
       <b>表1 </b>自定义SLA
      </caption>
      <colgroup>
       <col style="width:19.75%">
       <col style="width:80.25%">
      </colgroup>
      <thead align="left">
       <tr id="ZH-CN_TOPIC_0000001839159729__zh-cn_topic_0000001839267641_zh-cn_topic_0000001387428257_zh-cn_topic_0000001188593208_zh-cn_topic_0000001170622238_row615222414352">
        <th align="left" class="cellrowborder" valign="top" width="19.75%" id="mcps1.3.2.4.2.3.1.1"><p id="ZH-CN_TOPIC_0000001839159729__zh-cn_topic_0000001839267641_zh-cn_topic_0000001387428257_zh-cn_topic_0000001188593208_zh-cn_topic_0000001170622238_p5152182416356">SLA</p></th>
        <th align="left" class="cellrowborder" valign="top" width="80.25%" id="mcps1.3.2.4.2.3.1.2"><p id="ZH-CN_TOPIC_0000001839159729__zh-cn_topic_0000001839267641_zh-cn_topic_0000001387428257_zh-cn_topic_0000001188593208_zh-cn_topic_0000001170622238_p7152162483518">说明</p></th>
       </tr>
      </thead>
      <tbody>
       <tr id="ZH-CN_TOPIC_0000001839159729__zh-cn_topic_0000001839267641_zh-cn_topic_0000001387428257_zh-cn_topic_0000001188593208_zh-cn_topic_0000001170622238_row7152102483518">
        <td class="cellrowborder" valign="top" width="19.75%" headers="mcps1.3.2.4.2.3.1.1 "><p id="ZH-CN_TOPIC_0000001839159729__zh-cn_topic_0000001839267641_zh-cn_topic_0000001387428257_zh-cn_topic_0000001188593208_zh-cn_topic_0000001170622238_p14152132413510">备份SLA</p></td>
        <td class="cellrowborder" valign="top" width="80.25%" headers="mcps1.3.2.4.2.3.1.2 "><p id="ZH-CN_TOPIC_0000001839159729__zh-cn_topic_0000001839267641_zh-cn_topic_0000001387428257_zh-cn_topic_0000001188593208_zh-cn_topic_0000001170622238_p2015222473514">定义备份任务的执行频率、备份副本保留时长等。</p></td>
       </tr>
       <tr id="ZH-CN_TOPIC_0000001839159729__zh-cn_topic_0000001839267641_zh-cn_topic_0000001387428257_zh-cn_topic_0000001188593208_zh-cn_topic_0000001170622238_row61521124173515">
        <td class="cellrowborder" valign="top" width="19.75%" headers="mcps1.3.2.4.2.3.1.1 "><p id="ZH-CN_TOPIC_0000001839159729__zh-cn_topic_0000001839267641_zh-cn_topic_0000001387428257_zh-cn_topic_0000001188593208_zh-cn_topic_0000001170622238_p71523242356">复制SLA</p></td>
        <td class="cellrowborder" valign="top" width="80.25%" headers="mcps1.3.2.4.2.3.1.2 "><p id="ZH-CN_TOPIC_0000001839159729__zh-cn_topic_0000001839267641_zh-cn_topic_0000001387428257_zh-cn_topic_0000001188593208_zh-cn_topic_0000001170622238_p1315215248355">指定备份副本复制到目标<span id="ZH-CN_TOPIC_0000001839159729__zh-cn_topic_0000001839267641_text373135254">本产品</span>，并定义复制任务执行频率、复制副本保留时长等。</p></td>
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